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On Sale
Summit Racing™ Mockup Replica Blocks are light-weight and ship disassembled for ease of shipping and storage. The individual panels are easily assembled with tabs and slots for superior rigidity and accuracy compared to bolt-together types. Steel resists the heat from welding, so custom motor-mounts can be fabricated right on the block.
( 10 )
$399.99
$288.99
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$349.99
On Sale
Holley LS valley covers are the latest accessories offered for the GM LS engine platform. These covers install between the two banks of cylinder heads, depending on your usage of knock sensors, displacement on demand, and active fuel management. They're available in a cast aluminum finned design to match Holley's popular valve covers, as well as a billet aluminum trussed version for a race-inspired look. The valley pan covers are offered in a variety of finishes.
( 2 )
$273.95
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$299.95
ARP main stud kits help eliminate main cap walk/fretting and protect the threads in your engine block. They include studs made from 8740 chromoly steel and heat-treated in-house to 190,000 psi tensile-strength rating. The precision J-form threads are rolled after heat-treat for much stronger threads than the competition. Kits come complete with hardened parallel-ground washers and high-quality nuts. Add confidence in the strength of your engine build with the ARP main stud kit designed for your application.
( 386 )
$253.99
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$376.99
The design of ICT Billet rear main cover housings allows them to fit production LS engine blocks. They feature durable billet aluminum manufacturing and are ideal for replacing damaged housings or building a new project from scratch. Verify the fitment and order the LS billet aluminum rear main housing from ICT Billet designed for your application.
Not Yet Reviewed
$359.99
These Summit Racing™ rear main seal housings are the correct aluminum housing for Chevrolet 1-piece rear main seals. Whether you're replacing a damaged housing or building a project from scratch, these high quality housings will assure an easy installation.
Not Yet Reviewed
$289.99
Use Dorman engine rear main seal covers to ensure the proper sealing of your engine, to stop and/or prevent engine oil leakage. They are made from high-quality materials and are available as direct replacements for a proper fit on various makes and models. Whatever your repair needs, Dorman has just what you're after!
( 10 )
$250.95
PRW main cap stud kits help eliminate main cap walk and also protect the threads in your engine block. The main cap studs work with the main caps to help strengthen the foundation for your next high horsepower build. These main cap fasteners come complete with hardened parallel-ground washers and quality hex-style nuts. Add confidence in the strength of your engine build when you use these PRW main cap stud kits.
( 6 )
$265.34
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$384.75
Cylinder Works cylinders are your powersports alternative to OEM or re-plating. These standard bore cylinders are brand new—not remanufactured or replaced—and are nickel silicon carbide-plated cast aluminum to provide long life. They're precision-honed to the exact size to make your piston installation easier. Cylinder Works offers dirt bike and ATV enthusiasts quick and affordable access to direct fit replacement cylinders. Order the bore size recommended for your application.
Not Yet Reviewed
$269.95
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$463.55
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